How do I disconnect Facebook from my contacts?
From your profile, tap the menu that looks like three lines and select “settings.” Select “account,” “contacts syncing,” and make sure the option is not enabled.
How to Disable or Discontinue Contacts Sync in Facebook App
How do I Unmerge my Facebook contacts on my iPhone?
Go to your “Settings” and select the “Facebook” entry, then disable the toggle labeled “Contacts”. This will erase all Facebook contacts from your locally stored address book. The contacts/friends themselves will remain active on Facebook, so don’t worry.
Read Also – How To Erase All Contacts On Android
Why are my contacts showing up on another phone?
Phone Contacts aren’t stored on the actual phone, as they are synced to your Google account. If you’ve used the same Google on a different phone, they will show on that phone.